# Video balun DAHUA PFM800-4K, 2-in/2-out wired video transmission, compact black (17.4×1.95×2.1 cm)

**URL:** https://aio.lv/en/product--dahua-pfm800-4k--2135455
**Data updated:** 2026-01-13 11:22 (EET)
**Category:** CCTV Accessories
**Manufacturer:** DAHUA
**Manufacturer code:** PFM800-4K
**EAN:** 6939554931154
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-pfm800-4k--2135455

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

DAHUA PFM800-4K is a compact video balun for wired CCTV systems with 2 inputs and 2 outputs for efficient video transmission. Measuring 17.4 cm × 19.5 mm × 21 mm, it connects analog or compatible cameras to recording equipment, simplifies cabling, and fits into tight installations. Its black housing blends with typical setups and supports reliable signal transfer for surveillance use cases.

## Long description

The Dahua Technology PFM800-4K video balun is a compact accessory for wired CCTV systems that enables transmission of video signals over twisted-pair cabling. It has two inputs and two outputs and is intended to simplify connection and extend the reach of analog or HD-over-coax camera feeds when used with compatible equipment. The unit is finished in black and its small footprint allows installation inside junction boxes or near camera housings.
Advantages
The PFM800-4K supports two channels of video transmission through a single compact module, reducing the number of required connectors and cabling points. Its small dimensions make it suitable for confined installation spaces. The device is compatible with typical CCTV wiring practices and helps maintain signal quality when paired with appropriate twisted-pair infrastructure and receiving equipment.
Suitable for
Wired CCTV camera systems requiring video signal conversion or extension
Installations with limited space near cameras or junction boxes
Professional or residential surveillance setups using twisted-pair cabling
Key specifications
Channels: 2 inputs and 2 outputs
Dimensions (L×W×H): 17.4 cm × 19.5 mm × 21 mm
Color: black
Application: video transmission over twisted-pair cabling for CCTV
How to use
Connect the camera video outputs to the balun inputs and connect the balun outputs to the twisted-pair cabling leading to the receiving device or recorder. Ensure proper polarity and secure terminations on both ends, and mount the balun in a dry, accessible location close to the camera or inside a junction box. Verify compatibility with the recorder or receiver to confirm correct signal conversion and transmission.
Usage recommendations
Use the PFM800-4K with quality twisted-pair cable (eg, Cat5e/Cat6) and maintain proper grounding and shielding practices where applicable. Check cable length limits and compatibility with your specific camera models and receiving equipment to ensure reliable video quality.

## Specifications

| Feature | Value |
|---|---|
| Type | Video balun |
| Weight | 0.04 kg |
| Operating relative humidity (H-H) | 0 - 95 |
| Storage temperature (T-T) | -20 - 70 |
| Operating temperature (T-T) | -10 - 55 |
| Height | 21 mm |
| Width | 19.5 mm |
| Connectivity technology | Wired |
| Product colour | Black |
| Impedance | 100 Ω |
| Maximum operating distance | 400 m |
| Placement supported | Universal |
| Easy to install | Yes |
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| Number of inputs | 2 inputs |
| Number of outputs | 2 outputs |
| BNC video output | Yes |
| Length (max) | 173.8 mm |
| Harmonized System (HS) code | 85299020 |

## FAQ

### How much does the DAHUA PFM800-4K video balun cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 409 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All DAHUA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DAHUA service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for DAHUA PFM800-4K video balun?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/2135455/54661105_large.webp